| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there should [be] [det] | 164 |
|
| 2 | there should [be] [noun] | 146 |
|
| 3 | should [be] [det] [noun] | 136 |
|
| 4 | there [be] [det] [noun] | 88 |
|
